If you are interested in learning about science and health the following online resources are a great place to start. They are excellent and free! You are never too young or too old to explore areas of interest.
Open Courseware -- Open courseware are courses and materials put out by universities that contain both undergraduate and graduate subjects. Below are a few that you might find interesting.
Harvard Medical School Open Courseware - http://mycourses.med.harvard.edu/public/
Tufts Open Courseware - http://ocw.tufts.edu/
MIT Open Courseware - http://ocw.mit.edu/index.htm
John Hopkins Open Courseware - http://ocw.jhsph.edu/
Other Science and Health Online Resources
The Science Forum - http://www.thescienceforum.com/
A scientific discussion and debate forum.
Khan Academy - https://www.khanacademy.org/
More than 1200 video lessons in the areas of physics, chemistry and biology as well as basic arithmetic and algebra.
Learning Science - http://learningscience.org/
Learning community for sharing new and emerging tools to teach science.
Geology - http://geology.com/
News, articles, maps and other information about geology and earth science.
Feel free to add your favorite online places to learn about science and health.
Great set of links. Will be bookmarking for sure.
Cheers @norene.